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<div class="subTitle">org.apache.commons.collections4.iterators</div>
<h2 title="Class TransformIterator" class="title">Class TransformIterator&lt;I,O&gt;</h2>
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<li>org.apache.commons.collections4.iterators.TransformIterator&lt;I,O&gt;</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;O&gt;</dd>
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<pre>public class <span class="strong">TransformIterator&lt;I,O&gt;</span>
extends <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;O&gt;</pre>
<div class="block">Decorates an iterator such that each element returned is transformed.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>1.0</dd>
<dt><span class="strong">Version:</span></dt>
  <dd>$Id: TransformIterator.java 1477802 2013-04-30 20:01:28Z tn $</dd></dl>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#TransformIterator()">TransformIterator</a></strong>()</code>
<div class="block">Constructs a new <code>TransformIterator</code> that will not function
 until the <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#setIterator(java.util.Iterator)"><code>setIterator</code></a> and
 <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#setTransformer(org.apache.commons.collections4.Transformer)"><code>setTransformer(Transformer)</code></a> methods are invoked.</div>
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<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#TransformIterator(java.util.Iterator)">TransformIterator</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&gt;&nbsp;iterator)</code>
<div class="block">Constructs a new <code>TransformIterator</code> that won't transform
 elements from the given iterator.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#TransformIterator(java.util.Iterator, org.apache.commons.collections4.Transformer)">TransformIterator</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&gt;&nbsp;iterator,
                 <a href="../../../../../org/apache/commons/collections4/Transformer.html" title="interface in org.apache.commons.collections4">Transformer</a>&lt;? super <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>,? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;&nbsp;transformer)</code>
<div class="block">Constructs a new <code>TransformIterator</code> that will use the
 given iterator and transformer.</div>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#getIterator()">getIterator</a></strong>()</code>
<div class="block">Gets the iterator this iterator is using.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/collections4/Transformer.html" title="interface in org.apache.commons.collections4">Transformer</a>&lt;? super <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>,? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#getTransformer()">getTransformer</a></strong>()</code>
<div class="block">Gets the transformer this iterator is using.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#hasNext()">hasNext</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#next()">next</a></strong>()</code>
<div class="block">Gets the next object from the iteration, transforming it using the
 current transformer.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#remove()">remove</a></strong>()</code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#setIterator(java.util.Iterator)">setIterator</a></strong>(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&gt;&nbsp;iterator)</code>
<div class="block">Sets the iterator for this iterator to use.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#setTransformer(org.apache.commons.collections4.Transformer)">setTransformer</a></strong>(<a href="../../../../../org/apache/commons/collections4/Transformer.html" title="interface in org.apache.commons.collections4">Transformer</a>&lt;? super <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>,? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;&nbsp;transformer)</code>
<div class="block">Sets the transformer this the iterator to use.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#transform(I)">transform</a></strong>(<a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&nbsp;source)</code>
<div class="block">Transforms the given object using the transformer.</div>
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<code><a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<pre>public&nbsp;TransformIterator()</pre>
<div class="block">Constructs a new <code>TransformIterator</code> that will not function
 until the <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#setIterator(java.util.Iterator)"><code>setIterator</code></a> and
 <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html#setTransformer(org.apache.commons.collections4.Transformer)"><code>setTransformer(Transformer)</code></a> methods are invoked.</div>
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<h4>TransformIterator</h4>
<pre>public&nbsp;TransformIterator(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&gt;&nbsp;iterator)</pre>
<div class="block">Constructs a new <code>TransformIterator</code> that won't transform
 elements from the given iterator.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>iterator</code> - the iterator to use</dd></dl>
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<h4>TransformIterator</h4>
<pre>public&nbsp;TransformIterator(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&gt;&nbsp;iterator,
                 <a href="../../../../../org/apache/commons/collections4/Transformer.html" title="interface in org.apache.commons.collections4">Transformer</a>&lt;? super <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>,? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;&nbsp;transformer)</pre>
<div class="block">Constructs a new <code>TransformIterator</code> that will use the
 given iterator and transformer.  If the given transformer is null,
 then objects will not be transformed.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>iterator</code> - the iterator to use</dd><dd><code>transformer</code> - the transformer to use</dd></dl>
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<pre>public&nbsp;boolean&nbsp;hasNext()</pre>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true#hasNext()" title="class or interface in java.util">hasNext</a></code>&nbsp;in interface&nbsp;<code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;</code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&nbsp;next()</pre>
<div class="block">Gets the next object from the iteration, transforming it using the
 current transformer. If the transformer is null, no transformation
 occurs and the object from the iterator is returned directly.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true#next()" title="class or interface in java.util">next</a></code>&nbsp;in interface&nbsp;<code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;</code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the next object</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/NoSuchElementException.html?is-external=true" title="class or interface in java.util">NoSuchElementException</a></code> - if there are no more elements</dd></dl>
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<pre>public&nbsp;void&nbsp;remove()</pre>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true#remove()" title="class or interface in java.util">remove</a></code>&nbsp;in interface&nbsp;<code><a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;<a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;</code></dd>
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<h4>getIterator</h4>
<pre>public&nbsp;<a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&gt;&nbsp;getIterator()</pre>
<div class="block">Gets the iterator this iterator is using.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the iterator.</dd></dl>
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<h4>setIterator</h4>
<pre>public&nbsp;void&nbsp;setIterator(<a href="http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a>&lt;? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&gt;&nbsp;iterator)</pre>
<div class="block">Sets the iterator for this iterator to use.
 If iteration has started, this effectively resets the iterator.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>iterator</code> - the iterator to use</dd></dl>
</li>
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<h4>getTransformer</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/commons/collections4/Transformer.html" title="interface in org.apache.commons.collections4">Transformer</a>&lt;? super <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>,? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;&nbsp;getTransformer()</pre>
<div class="block">Gets the transformer this iterator is using.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the transformer.</dd></dl>
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<a name="setTransformer(org.apache.commons.collections4.Transformer)">
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<h4>setTransformer</h4>
<pre>public&nbsp;void&nbsp;setTransformer(<a href="../../../../../org/apache/commons/collections4/Transformer.html" title="interface in org.apache.commons.collections4">Transformer</a>&lt;? super <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>,? extends <a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&gt;&nbsp;transformer)</pre>
<div class="block">Sets the transformer this the iterator to use.
 A null transformer is a no-op transformer.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>transformer</code> - the transformer to use</dd></dl>
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<h4>transform</h4>
<pre>protected&nbsp;<a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">O</a>&nbsp;transform(<a href="../../../../../org/apache/commons/collections4/iterators/TransformIterator.html" title="type parameter in TransformIterator">I</a>&nbsp;source)</pre>
<div class="block">Transforms the given object using the transformer.
 If the transformer is null, the original object is returned as-is.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>source</code> - the object to transform</dd>
<dt><span class="strong">Returns:</span></dt><dd>the transformed object</dd></dl>
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